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Merge "vp8: Update to the adaptive denoising mode."

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Marco 2014-09-19 10:16:04 -07:00 committed by Gerrit Code Review
commit c92abbc447
5 changed files with 33 additions and 15 deletions
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26
vp8/common/postproc.c
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@ -385,13 +385,13 @@ void vp8_deblock(VP8_COMMON *cm,
}
#endif
#if !(CONFIG_TEMPORAL_DENOISING)
void vp8_de_noise(VP8_COMMON *cm,
YV12_BUFFER_CONFIG *source,
YV12_BUFFER_CONFIG *post,
int q,
int low_var_thresh,
int flag)
int flag,
int uvfilter)
{
int mbr;
double level = 6.0e-05 * q * q * q - .0067 * q * q + .306 * q + .0065;
@ -412,18 +412,20 @@ void vp8_de_noise(VP8_COMMON *cm,
source->y_buffer + 16 * mbr * source->y_stride,
source->y_buffer + 16 * mbr * source->y_stride,
source->y_stride, source->y_stride, source->y_width, limits, 16);
vp8_post_proc_down_and_across_mb_row(
source->u_buffer + 8 * mbr * source->uv_stride,
source->u_buffer + 8 * mbr * source->uv_stride,
source->uv_stride, source->uv_stride, source->uv_width, limits, 8);
vp8_post_proc_down_and_across_mb_row(
source->v_buffer + 8 * mbr * source->uv_stride,
source->v_buffer + 8 * mbr * source->uv_stride,
source->uv_stride, source->uv_stride, source->uv_width, limits, 8);
if (uvfilter == 1) {
vp8_post_proc_down_and_across_mb_row(
source->u_buffer + 8 * mbr * source->uv_stride,
source->u_buffer + 8 * mbr * source->uv_stride,
source->uv_stride, source->uv_stride, source->uv_width, limits,
8);
vp8_post_proc_down_and_across_mb_row(
source->v_buffer + 8 * mbr * source->uv_stride,
source->v_buffer + 8 * mbr * source->uv_stride,
source->uv_stride, source->uv_stride, source->uv_width, limits,
8);
}
}
}
#endif
double vp8_gaussian(double sigma, double mu, double x)
{

3
vp8/common/postproc.h
View File

@ -39,7 +39,8 @@ void vp8_de_noise(struct VP8Common *oci,
YV12_BUFFER_CONFIG *post,
int q,
int low_var_thresh,
int flag);
int flag,
int uvfilter);
void vp8_deblock(struct VP8Common *oci,
YV12_BUFFER_CONFIG *source,

2
vp8/encoder/denoising.c
View File

@ -384,6 +384,7 @@ void vp8_denoiser_set_parameters(VP8_DENOISER *denoiser, int mode) {
denoiser->denoise_pars.pickmode_mv_bias = 100;
denoiser->denoise_pars.qp_thresh = 0;
denoiser->denoise_pars.consec_zerolast = UINT_MAX;
denoiser->denoise_pars.spatial_blur = 0;
} else {
denoiser->denoise_pars.scale_sse_thresh = 2;
denoiser->denoise_pars.scale_motion_thresh = 16;
@ -392,6 +393,7 @@ void vp8_denoiser_set_parameters(VP8_DENOISER *denoiser, int mode) {
denoiser->denoise_pars.pickmode_mv_bias = 60;
denoiser->denoise_pars.qp_thresh = 100;
denoiser->denoise_pars.consec_zerolast = 10;
denoiser->denoise_pars.spatial_blur = 20;
}
}

2
vp8/encoder/denoising.h
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@ -67,6 +67,8 @@ typedef struct {
unsigned int qp_thresh;
// Threshold for number of consecutive frames for blocks coded as ZEROMV-LAST.
unsigned int consec_zerolast;
// Threshold for amount of spatial blur on Y channel. 0 means no spatial blur.
unsigned int spatial_blur;
} denoise_params;
typedef struct vp8_denoiser

15
vp8/encoder/onyx_if.c
View File

@ -4023,6 +4023,17 @@ static void encode_frame_to_data_rate
scale_and_extend_source(cpi->un_scaled_source, cpi);
#if CONFIG_TEMPORAL_DENOISING && CONFIG_POSTPROC
// Option to apply spatial blur under the aggressive or adaptive
// (temporal denoising) mode.
if (cpi->oxcf.noise_sensitivity >= 3) {
if (cpi->denoiser.denoise_pars.spatial_blur != 0) {
vp8_de_noise(cm, cpi->Source, cpi->Source,
cpi->denoiser.denoise_pars.spatial_blur, 1, 0, 0);
}
}
#endif
#if !(CONFIG_REALTIME_ONLY) && CONFIG_POSTPROC && !(CONFIG_TEMPORAL_DENOISING)
if (cpi->oxcf.noise_sensitivity > 0)
@ -4055,11 +4066,11 @@ static void encode_frame_to_data_rate
if (cm->frame_type == KEY_FRAME)
{
vp8_de_noise(cm, cpi->Source, cpi->Source, l , 1, 0);
vp8_de_noise(cm, cpi->Source, cpi->Source, l , 1, 0, 1);
}
else
{
vp8_de_noise(cm, cpi->Source, cpi->Source, l , 1, 0);
vp8_de_noise(cm, cpi->Source, cpi->Source, l , 1, 0, 1);
src = cpi->Source->y_buffer;